312171990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{800441}}^1$

素因数の和:800464

約数の個数: 32

約数和(自身を含む): 806845536

約数和(自身を除く): 494673546

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 800441, 1600882, 2401323, 4002205, 4802646, 8004410, 10405733, 12006615, 20811466, 24013230, 31217199, 52028665, 62434398, 104057330, 156085995, 312171990]

約数ペア:

[(1, 312171990), (2, 156085995), (3, 104057330), (5, 62434398), (6, 52028665), (10, 31217199), (13, 24013230), (15, 20811466), (26, 12006615), (30, 10405733), (39, 8004410), (65, 4802646), (78, 4002205), (130, 2401323), (195, 1600882), (390, 800441)]